Drain pan for heat exchanger



FIG. 1. is a front perspective view of the front, left, and bottom sides of a drain pan for heat exchanger showing our new design;

FIG. 2. is a rear perspective view of the rear, right, and top sides of thereof;

FIG. 3. is a front view thereof;

FIG. 4. is a rear view thereof;

FIG. 5. is a left side view thereof;

FIG. 6. is a right side view thereof;

FIG. 7. is a top plan view thereof;

FIG. 8. is a bottom view thereof;

FIG. 9. is an enlarged perspective view at a part 9 shown in FIG. 2; and,

FIG. 10. is a reference view of usage.

The broken lines shown represent unclaimed subject matter of the drain pan for heat exchanger and form no part of the claimed design. The dash-dot lines represent the boundary between the claimed design and unclaimed design. The dash-dot-dot lines represent the locations and borders of an enlarged view showing details and form no part of the claimed design. 

CLAIM The ornamental design for a drain pan for heat exchanger, as shown and described. 